Dec 18 01:10:05.063 INFO checking dputtick/protobuf against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 01:10:05.063 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/dputtick/protobuf:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:10:05.312 INFO [stdout] fd07021a16f2bf2bc5f4351d54c2a1d2363f01bd4399b2d321c67cf0c6ea21c8
Dec 18 01:10:05.318 INFO running `"docker" "start" "-a" "fd07021a16f2bf2bc5f4351d54c2a1d2363f01bd4399b2d321c67cf0c6ea21c8"`
Dec 18 01:10:07.248 INFO [stderr]     Checking protobuf v0.1.0 (/opt/crater/workdir)
Dec 18 01:10:07.684 INFO [stderr] warning: method is never used: `from_bytes`
Dec 18 01:10:07.684 INFO [stderr]  --> src/main.rs:7:5
Dec 18 01:10:07.684 INFO [stderr]   |
Dec 18 01:10:07.684 INFO [stderr] 7 |     fn from_bytes(slice_bytes: &[u8]) -> IntMessage {
Dec 18 01:10:07.684 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:10:07.684 INFO [stderr]   |
Dec 18 01:10:07.684 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 01:10:07.684 INFO [stderr] 
Dec 18 01:10:07.684 INFO [stderr] warning: function is never used: `next_varint_pos`
Dec 18 01:10:07.684 INFO [stderr]   --> src/main.rs:26:1
Dec 18 01:10:07.684 INFO [stderr]    |
Dec 18 01:10:07.684 INFO [stderr] 26 | fn next_varint_pos(slice: &[u8], start: u64) -> u64 {
Dec 18 01:10:07.684 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:10:07.684 INFO [stderr] 
Dec 18 01:10:07.684 INFO [stderr] warning: function is never used: `varint_decode`
Dec 18 01:10:07.684 INFO [stderr]   --> src/main.rs:37:1
Dec 18 01:10:07.684 INFO [stderr]    |
Dec 18 01:10:07.684 INFO [stderr] 37 | fn varint_decode(bytes: &[u8]) -> u64 {
Dec 18 01:10:07.684 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:10:07.684 INFO [stderr] 
Dec 18 01:10:07.684 INFO [stderr] warning: variant is never constructed: `Varint`
Dec 18 01:10:07.684 INFO [stderr]   --> src/main.rs:55:5
Dec 18 01:10:07.684 INFO [stderr]    |
Dec 18 01:10:07.685 INFO [stderr] 55 |     Varint,
Dec 18 01:10:07.685 INFO [stderr]    |     ^^^^^^
Dec 18 01:10:07.685 INFO [stderr] 
Dec 18 01:10:07.685 INFO [stderr] warning: function is never used: `unpack_key`
Dec 18 01:10:07.685 INFO [stderr]   --> src/main.rs:58:1
Dec 18 01:10:07.685 INFO [stderr]    |
Dec 18 01:10:07.685 INFO [stderr] 58 | fn unpack_key(varint_key: &[u8]) -> Key {
Dec 18 01:10:07.685 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:10:07.685 INFO [stderr] 
Dec 18 01:10:07.798 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 18 01:10:08.582 INFO running `"docker" "inspect" "fd07021a16f2bf2bc5f4351d54c2a1d2363f01bd4399b2d321c67cf0c6ea21c8"`
Dec 18 01:10:08.752 INFO running `"docker" "rm" "-f" "fd07021a16f2bf2bc5f4351d54c2a1d2363f01bd4399b2d321c67cf0c6ea21c8"`
Dec 18 01:10:09.110 INFO [stdout] fd07021a16f2bf2bc5f4351d54c2a1d2363f01bd4399b2d321c67cf0c6ea21c8